The latest e-nose features an energy-efficient design that researchers hope will someday be used in food and health care settings.
, from researchers at Seoul National University in South Korea, features a microchip that can let a computer “smell” spoiled food. Unlike previous artificial noses, this one is more compact and energy efficient.
“In order for the AOS to be applied to various non-plugged devices such as mobile phones, small size and excellent energy efficiency are essential,” saidJong-Ho Lee, PhD, a professor of electrical and computer engineering at Seoul National University. The platform is “highly customizable,” said Lee, who envisions future health care applications including “disease monitoring through human breath.”Cancer cells release volatile organic compounds, chemicals that smell and can serve as biomarkers for diagnosis. Despite the artificial nose’s potential for targeting these compounds, more work is needed to make that reality.
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